DC

Dhiraj C.

4.4

Cybersecurity and Cloud Instructor

Message teacher

Students taught

1,900+ learners taught

Experienced teacher

20 years teaching

Teaches

Cybersecurity, Ethical Hacking, Cloud Security, Network Security, Penetration Testing

Teaching snapshot

1,900

Learners taught by Dhiraj C.

3

Published classes on Undoschool

About me

Seasoned cybersecurity instructor with hands-on labs in cloud security, ethical hacking, networking, and penetration testing. With over 20 years of experience in computer science and cybersecurity education, this instructor holds a Master’s degree in Computer Science and profess...

I speak

English

My Classes

Roblox Studio: Beginner Game Design and Lua
DC

Dhiraj C.

4.5(21)

Roblox Studio: Beginner Game Design and Lua

Beginner

Level

7–12

Ages

55 min

Duration

1 / Week

Classes

12

Weeks

$21.00per class
See schedule
Cloud Quest: Beginner Cloud Building and Security
DC

Dhiraj C.

4.2(22)

Cloud Quest: Beginner Cloud Building and Security

Beginner

Level

10–15

Ages

80 min

Duration

2 / Week

Classes

2

Weeks

$22.00per class
See schedule
Chess for Beginners: Board Setup, Moves, Rules & Basic Tactics
DC

Dhiraj C.

4.8(8)

Chess for Beginners: Board Setup, Moves, Rules & Basic Tactics

Beginner

Level

6–11

Ages

55 min

Duration

1 / Week

Classes

10

Weeks

$20.00per class
See schedule

What my students say

4.4 rating

51 reviews · 1,900+ learners taught

Simran P.

October 7, 2026

Roblox Studio: Beginner Game Design and Lua

As a parent I liked the idea of a 1‑on‑1 Roblox Studio course that covers Lua, 3D building, and core coding concepts, but for our learner the pace felt too fast and the 55‑minute sessions didn’t leave enough time to absorb the debugging and scripting ideas. The project-based format is promising, yet we would have preferred more gradual scaffolded challenges and short practice tasks between lessons.

Sharon B.

September 9, 2026

Roblox Studio: Beginner Game Design and Lua

My child responded well to the project-based lessons and scripting practice, though a few of the scaffolded challenges felt a bit speedy for their level. A little more repetition on certain concepts would have helped.

Alejandro R.

September 7, 2026

Cloud Quest: Beginner Cloud Building and Security

Strong beginner course for ages 10–15 with clear lessons on hosting servers and cloud architecture; I only wished there was a touch more depth on networking concepts for curious kids ready to go further.

Ashley H.

August 30, 2026

Cloud Quest: Beginner Cloud Building and Security

Useful overview of cloud building and basic security, but the two-week duration felt compressed. Some topics, like access controls and firewalls, were introduced well but could use more time for practice.

My specialties

Works With: 16–18 Years · 20+ Years Experience